The role of a generalized ultraviolet cue for blackbird food selection

► UV-absorbent, postingestive conditioning yielded avoidance of UV-absorbent food. ► UV-absorbent, postingestive conditioning yielded avoidance of UV-reflective food. ► UV cues were related to postingestive consequences of the subsequent reinforcer. ► Blackbird food selection can be regarded as a function of its consequences.